Watanabe Y, Koyama S, Miwa C, Okuda S, Kanai Y, Tetsuka K, Nokubi M, Dobashi Y, Kawabata Y, Kanda Y, Endo S. Pulmonary mucosa-associated lymphoid tissue (MALT) lymphoma in Sjögren's syndrome showing only the LIP pattern radiologically. Intern Med. 2012;51(5):491–5. doi: 10.2169/internalmedicine.51.6242. PMID: 22382565.